
<!DOCTYPE html>
<html class="client-nojs" lang="en" dir="ltr">
<head>
<meta charset="UTF-8"/>
<title>Roll - PanoTools.org Wiki</title>




<style media="screen" type="text/css" title="Screen style sheet"> @import url(manual.css); </style>

<meta name="generator" content="MediaWiki 1.35.3"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>





<!--[if lt IE 9]><![endif]-->
</head>
<body class="mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-0 ns-subject page-Roll rootpage-Roll skin-vector action-view skin-vector-legacy">


<div id="content" class="mw-body" role="main">
	<a id="top"></a>
	
	
	<h1 id="firstHeading" class="firstHeading" lang="en">Roll</h1>
	<div id="bodyContent" class="mw-body-content">
		<div id="siteSub" class="noprint">From PanoTools.org Wiki</div>
		
		
		
		
		
		
		<div id="mw-content-text" lang="en" dir="ltr" class="mw-content-ltr"><div class="mw-parser-output"><p>Rotation angle around the lens axis.  See also <a href="Pitch.html" title="Pitch">Pitch</a> and <a href="Yaw.html" title="Yaw">Yaw</a>.
</p><p><b>Roll</b> is the angle of camera rotation around its optical axis and part of the panotools <a href="Image_positioning_model.html" title="Image positioning model">Image positioning model</a>. 
</p><p>If your camera is not level this can be in two directions: 
</p>
<ul><li>the image is tilted up or down, resulting in a <a href="Pitch.html" title="Pitch">Pitch</a> value different from 0.0</li>
<li>the image is rotated such that the horizon is not horizontal if held upright, resulting in a <b>Roll</b> value different from 0.0</li></ul>

<!--
Transclusion expansion time report (%,ms,calls,template)
100.00%    6.192      1 Template:Glossary
100.00%    6.192      1 -total
-->


</div></div><div class="printfooter">Retrieved from "<a dir="ltr" href="https://wiki.panotools.org/index.php?title=Roll&amp;oldid=13823">https://wiki.panotools.org/index.php?title=Roll&amp;oldid=13823</a>"</div>
		</div></div></body></html>